Can he sell computer programs even though he is afraid that they may be used for haraam purposes?

Is it permissible to make a cake to give to a child on his birthday without having a party?

Selling something that is not in your possession

Ruling on pig bones and making use of them

Ruling on buying tickets for sports games and concerts then selling them for a higher price

He works in a place that sells alcohol and it gets on his body and clothes

Selling PlayStation to non-Muslims

Is it haraam to buy pictures of male and female singers?

It is not permissible to sell gold for money unless the full price is paid in the same sitting

It is not permissible to exchange old gold for new gold and pay the difference in price